Since the death of her parents, Oki Yasuko, a second-year high school
student, has been living with her mangaka big brother Kenji, who used to
be the boss of a biker gang. Bickering nonstop, their relationship is
hardly harmonious.One day in cram school Kenji forces her to attend,
Yasuko falls in love with Tsubaki Jun. But chaos ensues because of the
history that Kenji and Junâ€™s sister Erica share!